And judging from these photos posted on Flickr, there were plenty of volunteers who showed up with brooms and garbage bags.

But people also set up Facebook pages to identify the rioters. Nearly 55,000 people “Liked” a page called “Vancouver Riot Pics: Post Your Photos,” which according to the description hopes to identify “the losers that made this city look so bad.”

The site also has screen shots of Facebook updates from people who posted their alleged involvement in the disturbance. (Some of the posts are NSFW)